{"id":"CVE-2026-52492","title":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF…","summary":"An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-190","CWE-787"],"published":"2026-08-24","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:03:22.897","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52492","references":[{"url":"https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa","label":"cve@mitre.org"},{"url":"https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52492.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-52492"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2523134"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52492"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52492"},{"url":"https://access.redhat.com/errata/RHSA-2026:53467"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00188,"epssPercentile":0.07454,"ingestedAt":"2026-09-09T16:14:05.515Z","vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","affected":["enterprise_linux 10","enterprise_linux 6","enterprise_linux 7","hardened_images"],"patched":["hardened_images"],"scores":{"nvd":7.8,"vendor":7.3},"slug":"CVE-2026-52492","body":"## Overview\n\nAn integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:53467** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53467)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52492.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}